Ontologia

Ruisseau· 15 segments

Le Rognon

Crosses 1 administrative regions : Haute-Marne

ruisseau

Total length

116km

Max discharge

6,4m³/s

Max Strahler

3

Segments matched

15

River geography1 admin regions · 23 communes

Parent watershed

hybas-2080471200630 km²

1 administrative regions crossed (GADM L2)

23 communes (L5)

10 intersecting protected areas

1 more protected areas

1 page = 1 named river (aggregation of 15 HydroRIVERS v10 segments). Spatial join cached after first hit.

Species present

1 261 distinct species · 12 495 observations

Source: GBIF Occurrence snapshot 2026-05-01.

Ecological tissue

Sample of 23 species (selected proportionally per kingdom among those with at least one documented interaction here) to keep the graph readable. Hover for details, click to explore the full ecosystem of a species.

ℹ️ The territory contains many more species than displayed and all their documented interactions: the graph is intentionally the structural skeleton (top-N species by composite local score, edges filtered by Serrano 2009 disparity filter α=0.2).

RègnesAnimalPlanteChampignonBacterie
RelationsPredationParasitismeSymbiosePollinisation
StatutEn dangerVulnérableProtégéeEndémique

Indicateurs du tissu écologique

Tissu écologique de Le Rognon : 16 espèces reliées par 53 interactions GloBI sur 4 types (connectance 19.2%, filtre Serrano α=0.2). 8 bulles taxonomiques (cascade genre/famille GloBI, ≥3 espèces).

Espèces affichées
24
Interactions affichées
53
Connectance
0.192
Patrimoniales
0
Plus dense que (national)0 %(top 100%)

Comparaison sur la connectance du réseau local complet vs distribution nationale (toutes les communes françaises).

Hydrology (HydroRIVERS v10)

Total length

116km

Max discharge

6,4m³/s

Max Strahler

3

Segments matched

15

HydroRIVERS v1.0 (Lehner et al. 2019) aggregated by name + main_riv → 1 entity = 1 named river.